Rehoboth Beach, Delaware – Often referred to as the "Nation's Summer Capital," Rehoboth has a mile-long boardwalk.

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Edisto Beach, South Carolina – About an hour southwest of Charleston, the area touts itself as family-oriented and not overly developed.

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South Padre Island, Texas – This Texas barrier island is known for its natural setting and laid-back attitude.

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Papakolea Beach, Hawaii – Hawaii's Big Island is home to one of the world's few green sand beaches.

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Stinson Beach, California – Located in Marin County, the area near Stinson Beach includes Bolinas Lagoon Preserve and Muir Woods.

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Ocracoke Island, North Carolina – Home to the second-oldest operating lighthouse in the United States, Ocracoke was used as a hideout by the infamous pirate Blackbeard.

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Grand Haven Beach, Michigan – Grand Haven was a commercial ferry port on Lake Michigan before transforming into a family vacation destination with a musical fountain, boardwalk, beautiful beaches, lighthouses and historic downtown.

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Cape Cod National Seashore, Massachusetts – Marconi Beach is named for the Italian inventor who completed the first wireless transatlantic communication from there at the beginning of the 20th century.

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Amelia Island, Florida – Less than an hour north of Jacksonville, Amelia Island boasts 13 miles of beaches.

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Punaluu Black Sand Beach – Located south of Hawaii Volcanoes National Park, Punaluu Black Sand Beach gets its color from volcanic activity and is also known for sea turtle sightings.

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La Push, Washington – Located on the Olympic Peninsula, La Push is the northernmost of Washington's beaches.

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Santa Catalina Island, California – Avalon Harbor is located on the southeast side of Santa Catalina Island.

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Orange Beach, Alabama – This Gulf Coast beach is about an hour's drive from Mobile, Alabama.

Story highlights

This follow-up list was compiled based on reader submissions of their favorite beach getaways

Midwesterners, Californians and Floridians had multiple beaches to share

There are more than 100,000 miles of coastline and shoreline in the United States

With more than 12,000 miles of coastline in the United States -- not to mention lakeshore -- there's no way CNN.com could name every great beach destination in last week's "22 can't-miss U.S. beaches." We asked readers to submit their favorite getaways in the comments section.

The response was fantastic, and we've compiled a second photo gallery of 20 favorites based on reader suggestions. While we couldn't picture every beach recommendation, our friends living in the Midwest will be happy to note that this gallery includes some freshwater beaches.

We won't use a blank slide to shame those commenters who declined to reveal their favorites or those who expressed joy that their hideaways didn't make the original list. Who can blame you for guarding the location of your favorite getaways? Everybody needs a secluded place where they can hide out, decompress and rejuvenate from time to time.